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Effects of genetic variants on platelet reactivity and one-year clinical outcomes after percutaneous coronary intervention: A prospective multicentre registry study.

 Hyung Joon Joo  ;  Sung Gyun Ahn  ;  Jae Hyoung Park  ;  Ji Young Park  ;  Soon Jun Hong  ;  Seok-Yeon Kim  ;  WoongGil Choi  ;  HyeonCheol Gwon  ;  Young-Hyo Lim  ;  Weon Kim  ;  Woong Chol Kang  ;  Yun-Hyeong Cho  ;  Yong Hoon Kim  ;  JungHan Yoon  ;  WonYong Shin  ;  Myeong-Ki Hong  ;  Scot Garg  ;  Yangsoo Jang  ;  Do-Sun Lim 
 Scientific Reports, Vol.8(1) : 1229, 2018 
Journal Title
 Scientific Reports 
Issue Date
Clopidogrel is the mainstay for antiplatelet treatment after percutaneous coronary intervention (PCI). The relationship of platelet reactivity and genetic polymorphism with clinical outcomes with newer-generation drug-eluting stents is unclear. We analysed 4,587 patients for the most powerful single-nucleotide polymorphisms (CYP2C19, CYP2C9, ABCB1, PON1, and P2Y12) related to on-treatment platelet reactivity (OPR). The optimal cut-off value of high OPR for major adverse thrombotic events was 266. CYP2C19 was significantly associated with high OPR and the number of CYP2C19*R (*2 or *3) alleles was proportional to the increased risk of high OPR. Death, myocardial infarction (MI), stroke, stent thrombosis, and bleeding events were assessed during a 1-year follow-up period. Primary endpoints were death and non-fatal MI. The cumulative 1-year incidence of death and stent thrombosis was significantly higher in patients with CYP2C19*2/*2, CYP2C19*2/*3, and CYP2C19*3/*3 (Group 3) than in patients with CYP2C19*1/*1 (Group 1). Multivariate Cox proportional hazard model showed that cardiac death risk was significantly higher in Group 3 than in Group 1 (hazard ratio 2.69, 95% confidence interval 1.154-6.263, p = 0.022). No association was reported between bleeding and OPR. Thus, CYP2C19 may exert a significant impact on the prognosis of PCI patients even in the era of newer-generation drug-eluting stents.
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Jang, Yang Soo(장양수) ORCID logo https://orcid.org/0000-0002-2169-3112
Hong, Myeong Ki(홍명기) ORCID logo https://orcid.org/0000-0002-2090-2031
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